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Feedback concept. Star rating. Vector illustration. Flat.
User reviews icon. flat style vector illustration
A device constructed for automatically separating the carbons, when the current is turned on, for feeding the carbons together, as they are burned away, at their tips, vintage line drawing
An apparatus for admitting the current to the motor gradually, with the parts labelled, vintage line drawing or engraving illustration.
When constructed properly, this kind of instrument can be used in any position, easily portable and works on the sag principle, vintage line drawing or engraving illustration.
Flashcard for word analyse with girl looking at leaves illustration
User on blurred background using customer satisfaction rating interface 3D rendering

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